1. Sautee garlic in olive oil in the bottom of a pot large enough to cook the soup in.2. Add broth and bring to a boil, then add tortellini and cook 5-6 minutes.3. Stir in tomatoes and beans. Reduce heat and simmer for 10 minutes.4. In a small bowl, stir basil, parmesan, salt, and vinegar together. Add to soup once it has been removed from heat.